ARORA K.R. (2016). SURVEYING I (16TH.). STANDARD BOOK HOUSE.
Lua i Stíl Chicago (17ú heag.)ARORA K.R. SURVEYING I. 16TH. STANDARD BOOK HOUSE, 2016.
Lua MLA (9ú heag.)ARORA K.R. SURVEYING I. 16TH. STANDARD BOOK HOUSE, 2016.
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